Nuclear power can generate electricity without greenhouse gas emissions. However, there are concerns about its safety. Learn about the safety and health concerns associated with the threat of nuclear meltdowns, as well as the challenges involved in storing radioactive waste.he isotope U-235 is important because it can be used in the nuclear fission chain reaction to create a lot of energy. Unlike the uranium used in a nuclear bomb, which is about 90% enriched with the isotope U-235, the uranium used in a nuclear reactor is only slightly enriched, to about four or five percent.
1 Professional sod installation typically costs $500 to $1,000 for a 2,000 sq. ft. or smaller lawn. 2  Per square foot installation costs average $.50 to $1.00. 3  Installing sod on smaller lawns tends to cost more per square foot.
For a basic 1000 square feet project in zip code 47474, the cost to Install Sod averages $0.95 - $2.03 per square foot* - but costs in your area will vary.To estimate costs for your project: 1. General contractor overhead and markup for organizing and supervising the Sod Installation. 2  Add 11% to 19% to the total cost above if a general contractor will supervise this project. 3  Sales tax on materials and supplies.